/*
 * Copyright 2012-2022 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.noear.solon.gradle.plugin;

import org.gradle.api.Buildable;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.PublishArtifact;
import org.gradle.api.artifacts.PublishArtifactSet;
import org.gradle.api.artifacts.dsl.ArtifactHandler;
import org.gradle.api.tasks.TaskDependency;
import org.gradle.api.tasks.TaskProvider;
import org.gradle.api.tasks.bundling.Jar;
import org.jetbrains.annotations.NotNull;
import org.noear.solon.gradle.tasks.bundling.SolonJar;
import org.noear.solon.gradle.tasks.bundling.SolonWar;


/**
 * A wrapper for a {@link PublishArtifactSet} that ensures that only a single artifact is
 * published, with a war file taking precedence over a jar file.
 *
 * @author Andy Wilkinson
 * @author Scott Frederick
 */
final class SinglePublishedArtifact implements Buildable {

    private final Configuration configuration;

    private final ArtifactHandler handler;

    private PublishArtifact currentArtifact;

    SinglePublishedArtifact(Configuration configuration, ArtifactHandler handler) {
        this.configuration = configuration;
        this.handler = handler;
    }

    void addWarCandidate(TaskProvider<SolonWar> candidate) {
        add(candidate);
    }

    void addJarCandidate(TaskProvider<SolonJar> candidate) {
        if (this.currentArtifact == null) {
            add(candidate);
        }
    }

    private void add(TaskProvider<? extends Jar> artifact) {
        this.configuration.getArtifacts().remove(this.currentArtifact);
        this.currentArtifact = this.handler.add(this.configuration.getName(), artifact);
    }

    @NotNull
    @Override
    public TaskDependency getBuildDependencies() {
        return this.configuration.getArtifacts().getBuildDependencies();
    }

}
